What is the difference between the information content of a sentence and the information that is carried by the for someone to whom the sentence is presented

b- Can there be data that, when considered as a logical sentence is false? Give a justification for your answer

c- When mapping an entity relation model to a relational database, what does a many-tomany relation in the ER-model become in the relational database

d- When mapping an entity relation model to a relational database, what does a one-tomany relation in the ER-model become in the relational database?

e-When mapping an entity relation model to a relational database, what does a one-to-one relation in the ER-model become in the relational database

f- When mapping an entity relation model to a relational database, what does an Attribute in the ER-model become in the relational database

g- When mapping an entity relation model to a relational database, what does an entity class in the ER-model become in the relational database?

h- What is a scheme of a relation in a relational database